She looks a bit odd. I wonder what has happened to her.

她的神色有些异样，不知出了什么事。

《新英汉大辞典》

Why this happened is still a bit of a mystery.

为什么会是这样仍有些悬念。

youdao

I am still a bit confused about what happened.

我对发生的事仍有点困惑。

youdao

I am still a bit confused about what happened.

我对发生的事仍有点困惑。

youdao